A conspiracy has occurred in a prosperous state. As a result, the younger prince finds himself in the clutches of the Serpent Gorynych, and his treacherous brothers are on the throne. Many heroes decide to save the prince, but, once in an enchanted forest, they disappear without a trace. Then the simple girl Akulina takes a bold step. Pretending to be a good fellow, she sets off to save him. Along the way, meeting not only robbers, but also forces much more dangerous, namely, the ancient guardians of the enchanted forest. And only thanks to her courage and love, Akulina will be able to change not only her destiny, but also the future of the entire state.